IBM C2090-548 Exam Prep
IBM Certified Database Administrator - IBM IMS

QUESTION: 1
What action is taken when a segment is deleted from a HISAM database?

A. It is physically deleted from the CI by zeroing the segment.
B. It is marked as deleted in the delete byte in the segment prefix.
C. It is physically deleted from the CI, with the remaining segments moved towards the
beginningof the CI.
D. A status code is returned to your program indicating segments cannot be deleted from
aHISAM database.

Answer(s): B
QUESTION: 2
Which one of the following statements is true?

A. Each logical record in a HISAM database primary dataset contains the root plus all
dependents of the root (in hierarchical sequence).
B. Each logical record in a HISAM database primary dataset contains the root plus all
dependents of the root (in insertion sequence).
C. Each logical record in a HISAM database primary dataset contains the root plus all
dependents of the root (in hierarchical sequence) for which there is space. The remaining
segments of the database record are put in the overflow dataset.
D. Each logical record in a HISAM database primary dataset contains the root plus all
dependents of the root (in insertion sequence) for which there is space. The remaining
segments of the database record are put in the overflow dataset.}

Answer(s): C
QUESTION: 3
Which of the following is required when implementing the IMS Data Capture Exit?

A. Modify PSBs.
B. Modify DBDs.
C. Change online and batch applications.
D. Start an MVS address space to catch the changes.

Answer(s): B
QUESTION: 4
What can comprise a HISAM database?

A. Multiple KSDSs
B. A single KSDS only
C. A KSDS and an ESDS
D. A KSDS and an OSAM dataset

Answer(s): C